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cookie01--- 回显上次登录的时间
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package cn.itcast.cookie; import java.io.IOException; import java.io.PrintWriter; import java.sql.Date; import java.text.SimpleDateFormat; import java.util.Calendar; import javax.servlet.ServletException; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class CookieDemo1 extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("utf-8"); response.setContentType("text/html;charset=utf-8"); PrintWriter out = response.getWriter(); out.print("您上次访问的时间是: "); //获得用户的时间的cookie Cookie[] cookies = request.getCookies(); for(int i = 0; cookies != null && i < cookies.length; i++){ if(cookies[i].getName().equals("lastAccessTime")) { long cookieValue = http://www.mamicode.com/Long.parseLong(cookies[i].getValue());"yyyy-MM-dd HH:mm:ss").format(date)); } } //给用户返回最新的cookie Cookie cookie = new Cookie("lastAccessTime", System.currentTimeMillis() + ""); cookie.setMaxAge(3600*24*30); //cookie.setPath("/day07"); String projectUri = request.getContextPath(); cookie.setPath(projectUri); response.addCookie(cookie); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doGet(request, response); } }
cookie01--- 回显上次登录的时间
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